I just had a quick play with gzip compression on a filesystem and the
result was the machine grinding to a halt while copying some large
(.wav) files to it from another filesystem in the same pool.
The system became very unresponsive, taking several seconds to echo
keystrokes. The box is a
Jürgen Keil wrote:
A kernel profile seems to show that the kernel is busy with gzip'ing
(and busy with computing SHA1 hashes?):
# lockstat -kIW -D 20 sleep 20
Profiling interrupt: 3882 events in 20.021 seconds (194 events/sec)
Count indv cuml rcnt nsec Hottest CPU+PILCaller
